[PATCH] nvmet: handle rw's limited retry flag

[Guixin Liu]

When the nvme target receive an rw command with limited retry flag,
handle it in block backend by setting the REQ_FAILFAST_DEV flag to
bio.

Signed-off-by: Guixin Liu <kanie at linux.alibaba.com>
---
 drivers/nvme/target/io-cmd-bdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index 0bda83d0fc3e..6380b60fd490 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -272,6 +272,9 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req)
 		iter_flags = SG_MITER_FROM_SG;
 	}
 
+	if (req->cmd->rw.control & NVME_RW_LR)
+		opf |= REQ_FAILFAST_DEV;
+
 	if (is_pci_p2pdma_page(sg_page(req->sg)))
 		opf |= REQ_NOMERGE;
 
-- 
2.43.0